ā75ā
Contamination/Cleanup Chart
Symptoms/Findings
Required Cleanup
Procedure
No symptoms or suspicion of
contamination.
Normal evacuation/
recharging procedure
Moisture/Air Contamination
symptoms. Refrigeration
system open to atmosphere for
longer than 15 minutes.
Refrigeration test kit and/or acid
oil test shows contamination.
No burnout deposits in open
compressor lines.
Mild contamination
cleanup procedure
Mild Compressor Burnout
symptoms. Oil appears clean
but smells acrid. Refrigeration
test kit or acid oil test shows
harmful acid content. No
burnout deposits in open
compressor lines.
Mild contamination
cleanup procedure
Severe Compressor Burnout
symptoms. Oil is discolored,
acidic, and smells acrid.
Burnout deposits found in the
compressor, lines, and other
components.
Severe contamination
cleanup procedure